<!DOCTYPE html>
<html>
<head>
<link rel="stylesheet" type="text/css" href="/fonts/ahem.css">
<style>
* {
    margin: 0;
    padding: 0;
}
body {
    font-size: 16px;
    font-family: Ahem, monospace;
}
#floaty {
    float: left;
    height: 20px;
    width: 100px;
}
#pre {
    white-space: pre;
}
.spacer {
    color: transparent;
    font-size: 32px;
}
</style>
</head>
<body>
<div id=floaty></div>
<div id=pre>x<span class=spacer>x</span>
x<span class=spacer>x</span></div>
</body>
</html>

